diff --git a/account_reconcile_restrict_partner_mismatch/__init__.py b/account_reconcile_restrict_partner_mismatch/__init__.py
index 7a6c1b03..bf588bc8 100755
--- a/account_reconcile_restrict_partner_mismatch/__init__.py
+++ b/account_reconcile_restrict_partner_mismatch/__init__.py
@@ -1,4 +1,2 @@
-# -*- coding: utf-8 -*-
-
 from . import models
 from . import report
diff --git a/account_reconcile_restrict_partner_mismatch/__manifest__.py b/account_reconcile_restrict_partner_mismatch/__manifest__.py
index d09c1885..78764539 100644
--- a/account_reconcile_restrict_partner_mismatch/__manifest__.py
+++ b/account_reconcile_restrict_partner_mismatch/__manifest__.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2019 Camptocamp SA
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
@@ -6,7 +5,7 @@
     'name': 'Reconcile restrict partner mismatch',
     'summary': 'Restrict reconciliation on receivable '
     'and payable accounts to the same partner',
-    'version': '10.0.1.0.0',
+    'version': '11.0.1.0.0',
     'depends': ['account'],
     'author': 'Camptocamp, Odoo Community Association (OCA)',
     'website': 'http://www.github.com/OCA/account-reconcile',
diff --git a/account_reconcile_restrict_partner_mismatch/models/__init__.py b/account_reconcile_restrict_partner_mismatch/models/__init__.py
index 0c1006db..8795b3be 100755
--- a/account_reconcile_restrict_partner_mismatch/models/__init__.py
+++ b/account_reconcile_restrict_partner_mismatch/models/__init__.py
@@ -1,3 +1 @@
-# -*- coding: utf-8 -*-
-
 from . import account_move_line
diff --git a/account_reconcile_restrict_partner_mismatch/models/account_move_line.py b/account_reconcile_restrict_partner_mismatch/models/account_move_line.py
index 6e27cee8..8ab5f13e 100644
--- a/account_reconcile_restrict_partner_mismatch/models/account_move_line.py
+++ b/account_reconcile_restrict_partner_mismatch/models/account_move_line.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2019 Camptocamp SA
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
@@ -14,8 +13,7 @@ class AccountMoveLine(models.Model):
     def reconcile(self, writeoff_acc_id=False, writeoff_journal_id=False):
         if (config['test_enable']
                 and not self.env.context.get('test_partner_mismatch')):
-            return super(AccountMoveLine, self).reconcile(
-                writeoff_acc_id, writeoff_journal_id)
+            return super().reconcile(writeoff_acc_id, writeoff_journal_id)
 
         # to be consistent with parent method
         if not self:
@@ -27,5 +25,5 @@ class AccountMoveLine(models.Model):
         if len(partners) > 1:
             raise UserError(_('The partner has to be the same on all'
                               ' lines for receivable and payable accounts!'))
-        return super(AccountMoveLine, self).reconcile(
+        return super().reconcile(
             writeoff_acc_id, writeoff_journal_id)
diff --git a/account_reconcile_restrict_partner_mismatch/report/__init__.py b/account_reconcile_restrict_partner_mismatch/report/__init__.py
index 19a75438..f32b29ee 100644
--- a/account_reconcile_restrict_partner_mismatch/report/__init__.py
+++ b/account_reconcile_restrict_partner_mismatch/report/__init__.py
@@ -1,3 +1 @@
-# -*- coding: utf-8 -*-
-
 from . import report_reconciled_lines
diff --git a/account_reconcile_restrict_partner_mismatch/report/report_reconciled_lines.py b/account_reconcile_restrict_partner_mismatch/report/report_reconciled_lines.py
index 8b42f749..ac2cfc57 100644
--- a/account_reconcile_restrict_partner_mismatch/report/report_reconciled_lines.py
+++ b/account_reconcile_restrict_partner_mismatch/report/report_reconciled_lines.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2019 Camptocamp SA
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
diff --git a/account_reconcile_restrict_partner_mismatch/tests/test_reconciliation.py b/account_reconcile_restrict_partner_mismatch/tests/test_reconciliation.py
index 360cdf18..a21c6af9 100644
--- a/account_reconcile_restrict_partner_mismatch/tests/test_reconciliation.py
+++ b/account_reconcile_restrict_partner_mismatch/tests/test_reconciliation.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # Copyright 2019 Camptocamp SA
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
@@ -9,7 +8,7 @@ from odoo.exceptions import UserError
 class TestReconciliation(AccountingTestCase):
 
     def setUp(self):
-        super(TestReconciliation, self).setUp()
+        super().setUp()
         self.env = self.env(context=dict(
             self.env.context, tracking_disable=True,
             test_partner_mismatch=True)